diff options
Diffstat (limited to 'roles/common/templates/etc/nftables.conf.j2')
| -rwxr-xr-x | roles/common/templates/etc/nftables.conf.j2 | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/roles/common/templates/etc/nftables.conf.j2 b/roles/common/templates/etc/nftables.conf.j2 index cc79671..33407c9 100755 --- a/roles/common/templates/etc/nftables.conf.j2 +++ b/roles/common/templates/etc/nftables.conf.j2 @@ -51,41 +51,41 @@ table netdev filter { {% set addr = (ansible_facts[if].ipv4 | default({'address': '0.0.0.0'})).address %} chain INGRESS-{{ if }} { type filter hook ingress device {{ if }} priority -499 policy accept # IPsec traffic (refined later in the filter rule) ip saddr {{ ipsec_subnet }} ip daddr {{ ipsec[inventory_hostname_short] }} meta secpath exists accept # rate-limiting is done directly by the kernel (net.ipv4.icmp_{ratelimit,ratemask} runtime options) icmp type { echo-reply, echo-request, destination-unreachable, time-exceeded } counter accept icmpv6 type { echo-reply, echo-request, destination-unreachable, packet-too-big, time-exceeded, parameter-problem } counter accept # accept neighbour discovery for autoconfiguration, RFC 4890 sec. 4.4.1 ip6 hoplimit 255 icmpv6 type { 133,134,135,136,141,142 } counter accept # accept link-local multicast receiver notification messages ip6 saddr fe80::/10 ip6 daddr ff02::/16 ip6 hoplimit 1 icmpv6 type { 130,131,132,143 } counter accept # drop all remaining ICMP/ICMPv6 traffic - meta l4proto { icmp, icmpv6 } drop + meta l4proto { icmp, icmpv6 } counter drop # bogon filter (cf. RFC 6890 for non-global ip addresses) define bogon = { 0.0.0.0/8 # this host, on this network (RFC 1122 sec. 3.2.1.3) {% if not addr | ipaddr('10.0.0.0/8') %} , 10.0.0.0/8 # private-use (RFC 1918) {% endif %} , 100.64.0.0/10 # shared address space (RFC 6598) , 127.0.0.0/8 # loopback (RFC 1122, sec. 3.2.1.3) , 169.254.0.0/16 # link local (RFC 3927) {% if not addr | ipaddr('172.16.0.0/12') %} , 172.16.0.0/12 # private-use (RFC 1918) {% endif %} , 192.0.0.0/24 # IETF protocol assignments (RFC 6890 sec. 2.1) , 192.0.2.0/24 # documentation (RFC 5737) {% if not addr | ipaddr('192.168.0.0/16') %} , 192.168.0.0/16 # private-use (RFC 1918) {% endif %} , 198.18.0.0/15 # benchmarking (RFC 2544) , 198.51.100.0/24 # documentation (RFC 5737) |